<!doctype html>
<html lang="en">
	<head>
		<meta charset="utf-8" />
		<title>Leaflet debug page - Opacity</title>
		<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=0" />
		<link rel="stylesheet" href="../../dist/leaflet.css" />
		<link rel="stylesheet" href="../css/screen.css" />
		<script type="importmap">
			{
				"imports": {
					"leaflet": "../../dist/leaflet-src.esm.js"
				}
			}
		</script>
	</head>
	<body>
		<style>
			.map-container {
				float: left;
				position: relative;
				width: 32%;
				font-size: 12px;
				font-family: sans-serif;
				height: 340px;
				margin-bottom: 15px;
				background-color: #eee;
				margin-right: 1%;
			}
	
			.map {
				position: absolute;
				width: 100%;
				height: 280px;
				bottom: 0px;
			}
		</style>
		<p>These should all render identically.</p>
		<div class="map-container">
			CASE 1: no opacity set on any layers
			<br />
			<div id="map1" class="map"></div>
		</div>
		<div class="map-container">
			CASE 2: opacity set to .99 on overlays but not on basemap
			<br />
			<div id="map2" class="map"></div>
		</div>
		<div class="map-container">
			CASE 3: opacity set on overlays but not on basemap, zIndex option set to 0 on basemap
			<br />
			<div id="map3" class="map"></div>
		</div>
		<div class="map-container">
			CASE 4: opacity set to .99 on overlays but set to 1 on basemap
			<br />
			<div id="map4" class="map"></div>
		</div>
		<div class="map-container">
			CASE 5: opacity set to .99 on all layers
			<br />
			<div id="map5" class="map"></div>
		</div>
		<div class="map-container">
			CASE 6: opacity set to .99 on 1st and 3rd layers and 1 on middle layer
			<br />
			<div id="map6" class="map"></div>
		</div>
		<script type="module">
			import {Map, TileLayer} from 'leaflet';

			const mapopts = {
				center: [35, -122],
				zoom : 5
			};

			const map1 = new Map('map1', mapopts);
			const map2 = new Map('map2', mapopts);
			const map3 = new Map('map3', mapopts);
			const map4 = new Map('map4', mapopts);
			const map5 = new Map('map5', mapopts);
			const map6 = new Map('map6', mapopts);

			// CASE 1: no opacity set on any layers
			// OSM Basemap
			const osmUrl = 'https://tile.openstreetmap.org/{z}/{x}/{y}.png';
			const eezsUrl = 'https://tile1.mpatlas.org/tilecache/eezs/{z}/{x}/{y}.png';
			const mpasUrl = 'https://tile1.mpatlas.org/tilecache/mpas/{z}/{x}/{y}.png';

			new TileLayer(osmUrl, {maxZoom: 18, attribution: ''}).addTo(map1);

			// EEZs / Nations
			new TileLayer(eezsUrl, {
				tms: true
			}).addTo(map1);

			// Marine Protected Areas overlay
			new TileLayer(mpasUrl, {
				tms: false
			}).addTo(map1);

			// CASE 2: opacity set on overlays but not on basemap
			// OSM Basemap
			new TileLayer(osmUrl, {maxZoom: 18, attribution: ''}).addTo(map2);

			// EEZs / Nations
			new TileLayer(eezsUrl, {
				tms: true,
				opacity: 0.99
			}).addTo(map2);

			// Marine Protected Areas overlay
			new TileLayer(mpasUrl, {
				tms: false,
				opacity: 0.99
			}).addTo(map2);


			// CASE 3: opacity set on overlays but not on basemap, zIndex option set to 0 on basemap
			// OSM Basemap
			new TileLayer(osmUrl, {maxZoom: 18, zIndex: 0}).addTo(map3);

			// EEZs / Nations
			new TileLayer(eezsUrl, {
				tms: true,
				opacity: 0.99
			}).addTo(map3);

			// Marine Protected Areas overlay
			new TileLayer(mpasUrl, {
				tms: false,
				opacity: 0.99
			}).addTo(map3);

			// CASE 4: opacity set on overlays but set to 1 on basemap
			// OSM Basemap
			new TileLayer(osmUrl, {maxZoom: 18}).addTo(map4);

			// EEZs / Nations
			new TileLayer(eezsUrl, {
				tms: true,
				opacity: 0.99
			}).addTo(map4);

			// Marine Protected Areas overlay
			new TileLayer(mpasUrl, {
				tms: false,
				opacity: 0.99
			}).addTo(map4);

			// CASE 5: opacity set to .5 on all layers
			// OSM Basemap
			new TileLayer(osmUrl, {maxZoom: 18, attribution: '', opacity: 0.99}).addTo(map5);

			// EEZs / Nations
			new TileLayer(eezsUrl, {
				tms: true,
				opacity: 0.99
			}).addTo(map5);

			// Marine Protected Areas overlay
			new TileLayer(mpasUrl, {
				tms: false,
				opacity: 0.99
			}).addTo(map5);

			// CASE 6: opacity set to .5 on 1st and 3rd layers and 1 on middle layer
			// OSM Basemap
			new TileLayer(osmUrl, {maxZoom: 18, attribution: '', opacity: 0.99}).addTo(map6);

			// EEZs / Nations
			new TileLayer(eezsUrl, {
				tms: true,
				opacity: 1
			}).addTo(map6);

			// Marine Protected Areas overlay
			new TileLayer(mpasUrl, {
				tms: false,
				opacity: 0.99
			}).addTo(map6);
		</script>
	</body>
</html>
